{"product_id":"4764m08700-piston-kit-for-yamaha-sr500-1978-1981-87-mm-9-1-cr-wiseco","title":"4764M08700 Piston Kit for Yamaha SR500 1978-1981 87 mm 9:1 CR Wiseco","description":"\u003ch2\u003eWiseco Std Piston Kit for Yamaha SR500\u003c\/h2\u003e\u003cp\u003eThis Wiseco Std Piston Kit for Yamaha SR500 provides a forged replacement piston with rings, pin, and clips for top-end service, cross-referencing 4764M08700 at 87 mm bore with 9:1 compression.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco Std Piston Kit for Yamaha SR500 is a forged piston assembly made for rebuilding a 500cc single-cylinder top end. The Wiseco Std Piston Kit for Yamaha SR500 brings sealing and compression back to spec at the original 87 mm bore size. It fits mechanics, restorers, and riders working on 1978 through 1981 SR500 engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for durability under load\u003c\/li\u003e\n\u003cli\u003e9:1 compression ratio suited to standard pump fuel\u003c\/li\u003e\n\u003cli\u003e87 mm bore size matches the standard SR500 cylinder\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips\u003c\/li\u003e\n\u003cli\u003eOEM cross-reference 4764M08700 for easy lookup\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for a consistent seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha SR500 1978\u003c\/li\u003e\n\u003cli\u003efor Yamaha SR500 1979\u003c\/li\u003e\n\u003cli\u003efor Yamaha SR500 1980\u003c\/li\u003e\n\u003cli\u003efor Yamaha SR500 1981\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on tired or oil-burning SR500 engines\u003c\/li\u003e\n\u003cli\u003eRestoration projects returning an engine to stock spec\u003c\/li\u003e\n\u003cli\u003eStandard-bore refresh with a fresh piston and rings\u003c\/li\u003e\n\u003cli\u003eEveryday riding builds that call for moderate compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4764M08700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin, circlips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this kit fit my SR500? \u003cstrong\u003eA:\u003c\/strong\u003e It is listed for 1978 through 1981 Yamaha SR500 models with an 87 mm standard bore, so verify your model year and bore before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does a standard-size piston need cylinder work? \u003cstrong\u003eA:\u003c\/strong\u003e A clean, correctly honed or bored cylinder is normally required to reach the proper piston-to-wall clearance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51140122574934,"sku":"OO1C22573","price":523.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_34f94220-2706-4ec0-98cd-6899f294daa0.jpg?v=1794565961","url":"https:\/\/www.solidspare.com\/products\/4764m08700-piston-kit-for-yamaha-sr500-1978-1981-87-mm-9-1-cr-wiseco","provider":"Solid Spare","version":"1.0","type":"link"}